Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season, followed by some of the coldest temperatures seen in years. The storm began out ...

The polar night jet, the high-altitude winter wind that circles the Arctic, acts like a flywheel for the cold season in the Northern Hemisphere. As climate change erodes the temperature contrast that ...

BUT LET’S TALK ABOUT THE POLAR VORTEX HERE. SO IT’S REALLY AN AREA OF COLD AIR THAT’S TRAPPED AROUND THE ARCTIC. AND IT’S JUST GOING TO IT USUALLY JUST STAYS PUT THERE. BUT WHEN IT WEAKENS, THAT JET ...

The sudden blast may have come as a shock to many Americans after a mostly mild start to winter, but that warmth may have partly contributed to the ferocity of the storm. As atmospheric and climate ...

Michigan and the Great Lakes are bracing for another cold shot later this month — down to single digits in places — as a polar vortex split in the stratosphere nudges frigid Arctic air southward.

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

CHICOPEE, Mass. (WWLP) – This winter could be average, unlike recent years, due to the influence of the polar vortex. The polar vortex, which is a persistent large-scale cyclone located near the North ...

Every year, the winter buzzwords start to fly before we set the Thanksgiving table. And who doesn't love feasting on the polar vortex? Everyone's favorite (or favorite to hate) phenomenon spins up in ...

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...

A severe winter storm that brought crippling freezing rain, sleet and snow to a large part of the U.S. in late January 2026 left a mess in states from New Mexico to New England. Hundreds of thousands ...